Greenies, I've stuck by you for so long and made so many excuses for the bad service, now I'll go to mojo bones or poppas. Carrie L. and 2 others voted for this review Useful 3
Functions[edit] A function, which can also be referred to as subroutine, procedure, subprogram or even method, carries out tasks defined by a sequence of statements called a statement block that need only be written once and called by a program as many times as needed to carry out the same task.
Function code 0 is not valid. Sub-function codes are added to some function codes to define multiple actions. The data field of messages sent from a client to server devices contains additional. information that the server uses to take the action defined by the function code.